JIS Silicone O-Rings
JIS O-Rings
Japanese Industrial Standard O-Rings are another popular classification system used around the globe. Published by the Japanese Standard Association, these o-rings are also categorized using the metric system. JIS O-Rings are used in many different fields, but typically are implemented in Japan's semiconductor, automotive and machine tool industries.
This elastomer possesses mechanical properties similar to Viton®, with the exception of its slightly lower compression set resistance. It is more suitable for sensitive applications where lighter compressive forces are applied to energize the seal. This core has a Shore A hardness of 70 but it also offers a broader operating temperature range of -80°F to +500°F. (-62°C to +260°C). For more information, please see: Comparison Properties Chart, PTFE Encapsulated O-rings, Material Shelf Life, and O-ring Groove Design Chart.
This elastomer possesses mechanical properties similar to Viton®, with the exception of its slightly lower compression set resistance. It is more suitable for sensitive applications where lighter compressive forces are applied to energize the seal. This core has a Shore A hardness of 70 but it also offers a broader operating temperature range of -80°F to +500°F. (-62°C to +260°C). For more information, please see: Comparison Properties Chart, PTFE Encapsulated O-rings, Material Shelf Life, and O-ring Groove Design Chart.
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Cross Section Width (in)
Cross Section Width (mm)
Inside Diameter (mm)
Inside Diameter (in)
Item # |
IntegrationID |
Type |
Material |
Cross Section Width |
Durometer |
Inside Diameter |
CSW Tolerance |
ID Tolerance |
JIS Number |
Call for a Quote |
O-Ring Industries |
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P35.5 S-70 P35.5 S-70/Asset/jisorings.jpg |
IntegrationID
N/A 180386 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.138 in3.50 mm | Durometer N/A 70 | Inside Diameter N/A 35.20 mm1.386 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.006 in0.15 mm | JIS Number N/A P-35.5 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
P355 S-70 P355 S-70/Asset/jisorings.jpg |
IntegrationID
N/A 180387 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.331 in8.40 mm | Durometer N/A 70 | Inside Diameter N/A 354.50 mm13.957 in | CSW Tolerance N/A 0.006 in0.18 mm | ID Tolerance N/A 0.039 in1.00 mm | JIS Number N/A P-355 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
P36 S-70 P36 S-70/Asset/jisorings.jpg |
IntegrationID
N/A 180388 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.138 in3.50 mm | Durometer N/A 70 | Inside Diameter N/A 35.70 mm1.406 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.006 in0.15 mm | JIS Number N/A P-36 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
P360 S-70 P360 S-70/Asset/jisorings.jpg |
IntegrationID
N/A 180389 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.331 in8.40 mm | Durometer N/A 70 | Inside Diameter N/A 359.50 mm14.154 in | CSW Tolerance N/A 0.006 in0.18 mm | ID Tolerance N/A 0.039 in1.00 mm | JIS Number N/A P-360 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
P375 S-70 P375 S-70/Asset/jisorings.jpg |
IntegrationID
N/A 180390 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.331 in8.40 mm | Durometer N/A 70 | Inside Diameter N/A 374.50 mm14.744 in | CSW Tolerance N/A 0.006 in0.18 mm | ID Tolerance N/A 0.039 in1.00 mm | JIS Number N/A P-375 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
P38 S-70 P38 S-70/Asset/jisorings.jpg |
IntegrationID
N/A 180391 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.138 in3.50 mm | Durometer N/A 70 | Inside Diameter N/A 37.70 mm1.484 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.006 in0.15 mm | JIS Number N/A P-38 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
P385 S-70 P385 S-70/Asset/jisorings.jpg |
IntegrationID
N/A 180392 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.331 in8.40 mm | Durometer N/A 70 | Inside Diameter N/A 384.50 mm15.138 in | CSW Tolerance N/A 0.006 in0.18 mm | ID Tolerance N/A 0.039 in1.00 mm | JIS Number N/A P-385 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
P39 S-70 P39 S-70/Asset/jisorings.jpg |
IntegrationID
N/A 180393 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.138 in3.50 mm | Durometer N/A 70 | Inside Diameter N/A 38.70 mm1.524 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.006 in0.15 mm | JIS Number N/A P-39 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
P4 S-70 P4 S-70/Asset/jisorings.jpg |
IntegrationID
N/A 180394 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.075 in1.90 mm | Durometer N/A 70 | Inside Diameter N/A 3.80 mm0.150 in | CSW Tolerance N/A 0.003 in0.09 mm | ID Tolerance N/A 0.005 in0.12 mm | JIS Number N/A P-4 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
P40 S-70 P40 S-70/Asset/jisorings.jpg |
IntegrationID
N/A 180395 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.138 in3.50 mm | Durometer N/A 70 | Inside Diameter N/A 39.70 mm1.563 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.006 in0.15 mm | JIS Number N/A P-40 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
P400 S-70 P400 S-70/Asset/jisorings.jpg |
IntegrationID
N/A 180396 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.331 in8.40 mm | Durometer N/A 70 | Inside Diameter N/A 399.5 mm15.728 in | CSW Tolerance N/A 0.006 in0.18 mm | ID Tolerance N/A 0.039 in1.00 mm | JIS Number N/A P-400 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
P41 S-70 P41 S-70/Asset/jisorings.jpg |
IntegrationID
N/A 180397 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.138 in3.50 mm | Durometer N/A 70 | Inside Diameter N/A 40.70 mm1.602 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.01 in0.25 mm | JIS Number N/A P-41 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
P42 S-70 P42 S-70/Asset/jisorings.jpg |
IntegrationID
N/A 180398 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.138 in3.50 mm | Durometer N/A 70 | Inside Diameter N/A 41.70 mm1.642 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.01 in0.25 mm | JIS Number N/A P-42 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
P44 S-70 P44 S-70/Asset/jisorings.jpg |
IntegrationID
N/A 180399 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.138 in3.50 mm | Durometer N/A 70 | Inside Diameter N/A 43.70 mm1.720 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.01 in0.25 mm | JIS Number N/A P-44 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
P45 S-70 P45 S-70/Asset/jisorings.jpg |
IntegrationID
N/A 180400 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.138 in3.50 mm | Durometer N/A 70 | Inside Diameter N/A 44.70 mm1.760 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.01 in0.25 mm | JIS Number N/A P-45 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
P46 S-70 P46 S-70/Asset/jisorings.jpg |
IntegrationID
N/A 180401 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.138 in3.50 mm | Durometer N/A 70 | Inside Diameter N/A 45.70 mm1.799 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.01 in0.25 mm | JIS Number N/A P-46 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
P48 S-70 P48 S-70/Asset/jisorings.jpg |
IntegrationID
N/A 180402 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.138 in3.50 mm | Durometer N/A 70 | Inside Diameter N/A 47.70 mm1.878 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.01 in0.25 mm | JIS Number N/A P-48 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
P48A S-70 P48A S-70/Asset/jisorings.jpg |
IntegrationID
N/A 180403 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.224 in5.70 mm | Durometer N/A 70 | Inside Diameter N/A 47.60 mm1.874 in | CSW Tolerance N/A 0.006 in0.15 mm | ID Tolerance N/A 0.01 in0.25 mm | JIS Number N/A P-48A | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
P49 S-70 P49 S-70/Asset/jisorings.jpg |
IntegrationID
N/A 180404 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.138 in3.50 mm | Durometer N/A 70 | Inside Diameter N/A 48.70 mm1.917 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.01 in0.25 mm | JIS Number N/A P-49 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
P5 S-70 P5 S-70/Asset/jisorings.jpg |
IntegrationID
N/A 180405 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.075 in1.90 mm | Durometer N/A 70 | Inside Diameter N/A 4.80 mm0.189 in | CSW Tolerance N/A 0.003 in0.09 mm | ID Tolerance N/A 0.005 in0.12 mm | JIS Number N/A P-5 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
P50 S-70 P50 S-70/Asset/jisorings.jpg |
IntegrationID
N/A 180406 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.138 in3.50 mm | Durometer N/A 70 | Inside Diameter N/A 49.70 mm1.957 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.01 in0.25 mm | JIS Number N/A P-50 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
P50A S-70 P50A S-70/Asset/jisorings.jpg |
IntegrationID
N/A 180407 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.224 in5.70 mm | Durometer N/A 70 | Inside Diameter N/A 49.60 mm1.953 in | CSW Tolerance N/A 0.006 in0.15 mm | ID Tolerance N/A 0.01 in0.25 mm | JIS Number N/A P-50A | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
P52 S-70 P52 S-70/Asset/jisorings.jpg |
IntegrationID
N/A 180408 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.224 in5.70 mm | Durometer N/A 70 | Inside Diameter N/A 51.60 mm2.031 in | CSW Tolerance N/A 0.006 in0.15 mm | ID Tolerance N/A 0.01 in0.25 mm | JIS Number N/A P-52 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
P53 S-70 P53 S-70/Asset/jisorings.jpg |
IntegrationID
N/A 180409 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.224 in5.70 mm | Durometer N/A 70 | Inside Diameter N/A 52.6 mm2.071 in | CSW Tolerance N/A 0.006 in0.15 mm | ID Tolerance N/A 0.01 in0.25 mm | JIS Number N/A P-53 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
P55 S-70 P55 S-70/Asset/jisorings.jpg |
IntegrationID
N/A 180410 |
Type N/A JIS Standard O-Ring | Material N/A Silicone | Cross Section Width N/A 0.224 in5.70 mm | Durometer N/A 70 | Inside Diameter N/A 54.60 mm2.150 in | CSW Tolerance N/A 0.006 in0.15 mm | ID Tolerance N/A 0.01 in0.25 mm | JIS Number N/A P-55 | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |